Home / 2,214.16-3,055.16-1,330.16

Finding the Fourth Proportional to 2,214.16, 3,055.16 and 1,330.16

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Solution

The fourth proportional to 2,214.16, 3,055.16 and 1,330.16 is: 1,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.16 : 3,055.16 = 1,330.16 : x
  2. Step 2: Convert to fraction form
    2,214.16/3,055.16 = 1,330.16/x
  3. Step 3: Cross multiply
    2,214.16x = 3,055.16 × 1,330.16
  4. Step 4: Simplify right side
    2,214.16x = 4,063,851.63
  5. Step 5: Solve for x
    x = 4,063,851.63/2,214.16
  6. Step 6: Final answer
    x = 1,835.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.